Rails: validation on two fields -


one quick question. have 2 fields pick_up , delivery. want user enter 1 of 2 fields while submitting form. means:

 validates pick_up or delivery, :presence => :true.

at least 1 should present.

how write validation?

validate :pickup_or_delivery

def pickup_or_delivery   if [self.pick_up, self.delivery].compact.blank.size == 0     errors[:base] << ("please select 1 option")   end end

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